improve sqllogictests for case_column_or_null

richox · Dec 24, 2024 · ba22ac6 · ba22ac6
1 parent 86b4a41
commit ba22ac6
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/datafusion/sqllogictest/test_files/case.slt b/datafusion/sqllogictest/test_files/case.slt
@@ -63,6 +63,28 @@ NULL
 NULL
 NULL
 
+# column or implicit null (no nulls)
+query I
+SELECT CASE WHEN NULLIF(NVL(a, 0) >= 0, FALSE) THEN b END FROM foo
+----
+2
+4
+6
+NULL
+NULL
+7
+
+# column or implicit null (all nulls)
+query I
+SELECT CASE WHEN NULLIF(NVL(a, 0) >= 0, TRUE) THEN b END FROM foo
+----
+NULL
+NULL
+NULL
+NULL
+NULL
+NULL
+
 # scalar or scalar (string)
 query T
 SELECT CASE WHEN a > 2 THEN 'even' ELSE 'odd' END FROM foo